Oil Spill Spatial Data Visualization

Interactive Oil Spill Events Locations

Show code 
tmap_mode("view")

tm_shape(oil_spill) +
  tm_dots()

Map of Inland Oil Spills by County

Show code 
# finding the counts
oil_spill_inland <- oil_spill %>% 
  filter(inlandmari == "Inland") %>% 
  rename("name" = "localecoun")

# joining the data
oil_county <- ca_counties %>% 
  st_join(oil_spill_inland)

# find counts
spill_counts <- oil_county %>% 
  count(name.x)

# plotting the data
ggplot(data = spill_counts) +
  geom_sf(aes(fill = n),
          color = "white",
          size = 0.1) +
  scale_fill_gradientn(colors = c("lightgray", "yellow1", "yellow2", "orange1", "orange2", "red")) +
  theme_minimal() +
  labs(fill = "Number of Inland Oil Spills",
       title = "Number of Inland Oil Spills by California County, 2008",
       x = "Longitude",
       y = "Latitude")
**Map 1:** Inland oil spill counts by California county. Data from: Oil Spill Incident Tracking. 2009-07-23. California Department of Fish and Game, Office of Spill Prevention and Response. https://map.dfg.ca.gov/metadata/ds0394.html

Figure 1: Map 1: Inland oil spill counts by California county. Data from: Oil Spill Incident Tracking. 2009-07-23. California Department of Fish and Game, Office of Spill Prevention and Response. https://map.dfg.ca.gov/metadata/ds0394.html